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Sand slinging method is best, but the process takes too much time to accomplish the operation.

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in Casting-Forming-Welding I by (687k points)
Sand slinging method is best, but the process takes too much time to accomplish the operation.

(a) True

(b) False

The question was asked in exam.

This interesting question is from Methods of Ramming Mold Boxes in division Mold and Mold Making of Casting-Forming-Welding I

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Best answer
Right option is (b) False

For explanation I would say: Sand slinging is a very fast method of ramming, it is done by throwing sand into the flask rapidly with the great force. This process develops uniformly high mould hardness. Sand slinging is the best method comparatively, but the cost of equipment used in this method is very high as compared to the other methods of ramming.

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